My rosemary stays green when I bring it in for the winter. But it doesn’t like temperature shocks. It’s a Mediterranean plant, which has a temperate climate. So if I wait too late in the fall to bring it in, it doesn’t do well. It also doesn’t like over/under watering. I let it dry out so it doesn’t get moldy then water it fairly well. It loves the sun. Also plant food would probably be good for it, but be careful what you give it if you’re going to cook with it, toxicity-wise. The whiteness could either be fungus or a dying plant. Usually you can see the fungus; it looks furry or bumpy. If it’s fungus, I would toss it before it spreads to other plants, but others might have techniques for soaking it in something to get rid of the fungus. You could try tea tree oil in water and spray it on aggressively. It should be non-toxic to the plant, and it kills microbes. Good luck! I love rosemary...
> On Dec 14, 2022, at 4:04 PM, Rich Rosenbaum <s...@bcdef.com> wrote: > > It might be powdery mildew. This is a bad case of it: > > <image.png> > Source: > https://extension.umaine.edu/ipm/ipddl/plant-disease-images/rosemary-powdery-mildew/ > > <https://extension.umaine.edu/ipm/ipddl/plant-disease-images/rosemary-powdery-mildew/> > > If you think this is what you have, this may help in treating it: > https://www.gardeningknowhow.com/edible/herbs/rosemary/white-powder-on-rosemary.htm > > <https://www.gardeningknowhow.com/edible/herbs/rosemary/white-powder-on-rosemary.htm> > > On other types of plants I have found that a baking soda solution can be a > good preventative. > > Rich > > > On Wed, Dec 14, 2022 at 11:12 AM Barbara Snyder via Lincoln > <lincoln@lincolntalk.org <mailto:lincoln@lincolntalk.org>> wrote: > We brought our Rosemary bush indoors for the winter. It now has a powdery > white substance growing on the leaves? is it a fungus? Can the plant be > saved? What do we do?? > > Sent from my iPad > -- > The LincolnTalk mailing list. > To post, send mail to Lincoln@lincolntalk.org > <mailto:Lincoln@lincolntalk.org>. > Search the archives at http://lincoln.2330058.n4.nabble.com/ > <http://lincoln.2330058.n4.nabble.com/>. > Browse the archives at https://pairlist9.pair.net/mailman/private/lincoln/ > <https://pairlist9.pair.net/mailman/private/lincoln/>. > Change your subscription settings at > https://pairlist9.pair.net/mailman/listinfo/lincoln > <https://pairlist9.pair.net/mailman/listinfo/lincoln>. > > -- > The LincolnTalk mailing list. > To post, send mail to Lincoln@lincolntalk.org. > Search the archives at http://lincoln.2330058.n4.nabble.com/. > Browse the archives at https://pairlist9.pair.net/mailman/private/lincoln/. > Change your subscription settings at > https://pairlist9.pair.net/mailman/listinfo/lincoln. >
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